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\bibitem{Grieten_etal2014} {\textquotedblleft}\textit{Optimal sample preparation to characterize corrosion in historical photographs with analytical TEM}{\textquotedblright}. Grieten E, Caen J, Schryvers D, Microscopy and microanalysis \textbf{20}, 1585 (2014).   http://doi.org/10.1017/S1431927614012860

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